From a43733cb97276fe599daeda3850f463a6cfb157c Mon Sep 17 00:00:00 2001
From: skipify <skipify@users.noreply.github.com>
Date: Fri, 15 Jul 2022 09:19:20 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=87=E4=BB=B6=E4=BD=BF=E7=94=A8=E5=AE=8C?=
 =?UTF-8?q?=E6=AF=95=E5=90=8E=E5=85=B3=E9=97=AD=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 binding/java/ReadMe.md                                      | 4 ++++
 .../src/main/java/org/lionsoul/ip2region/xdb/Searcher.java  | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/binding/java/ReadMe.md b/binding/java/ReadMe.md
index f6e06f7..bab114f 100644
--- a/binding/java/ReadMe.md
+++ b/binding/java/ReadMe.md
@@ -35,6 +35,8 @@ public class SearcherTest {
             String ip = "1.2.3.4";
             long sTime = System.nanoTime();
             String region = searcher.search(ip);
+            //一定关闭
+            searcher.close();
             long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));
             System.out.printf("{region: %s, ioCount: %d, took: %d μs}\n", region, searcher.getIOCount(), cost);
         } catch (Exception e) {
@@ -81,6 +83,7 @@ public class SearcherTest {
             String ip = "1.2.3.4";
             long sTime = System.nanoTime();
             String region = searcher.search(ip);
+            searcher.close();
             long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));
             System.out.printf("{region: %s, ioCount: %d, took: %d μs}\n", region, searcher.getIOCount(), cost);
         } catch (Exception e) {
@@ -127,6 +130,7 @@ public class SearcherTest {
             String ip = "1.2.3.4";
             long sTime = System.nanoTime();
             String region = searcher.search(ip);
+            //此处可以不调用 searcher.close() 因为使用了newWithBuffer没有打开文件
             long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));
             System.out.printf("{region: %s, ioCount: %d, took: %d μs}\n", region, searcher.getIOCount(), cost);
         } catch (Exception e) {
diff --git a/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Searcher.java b/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Searcher.java
index 5aecbc8..1e01bd8 100644
--- a/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Searcher.java
+++ b/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Searcher.java
@@ -163,6 +163,7 @@ public class Searcher {
         handle.seek(0);
         final byte[] buff = new byte[HeaderInfoLength];
         handle.read(buff);
+        handle.close();
         return new Header(buff);
     }
 
@@ -177,8 +178,10 @@ public class Searcher {
         final byte[] buff = new byte[len];
         int rLen = handle.read(buff);
         if (rLen != len) {
+            handle.close();
             throw new IOException("incomplete read: read bytes should be " + len);
         }
+        handle.close();
 
         return buff;
     }
@@ -193,9 +196,10 @@ public class Searcher {
         final byte[] buff =  new byte[(int) handle.length()];
         int rLen = handle.read(buff);
         if (rLen != buff.length) {
+            handle.close();
             throw new IOException("incomplete read: read bytes should be " + buff.length);
         }
-
+        handle.close();
         return buff;
     }